:root {
    --screen-max: 960px;
    --base-font1: 'Montserrat', sans-serif;
    --base-font2: 'OpenSans', sans-serif;
  
    --red: red;
    --grey-light: #525252;
    --grey-dark: #727272;
    --grey: #696969;
  }
  
  /* Montserrat*/
  @font-face {
      font-family: 'Montserrat';
      src: url(../fonts/montserrat/Montserrat-Regular.ttf);
      font-weight: normal;
  }
  
  @font-face {
      font-family: 'Montserrat';
      src: url(../fonts/montserrat/Montserrat-Medium.ttf);
      font-weight: 500;
  }
  
  @font-face {
    font-family: 'Montserrat';
    src: url(../fonts/montserrat/Montserrat-SemiBold.ttf);
    font-weight: bold;
}

  @font-face {
      font-family: 'Montserrat';
      src: url(../fonts/montserrat/Montserrat-Bold.ttf);
      font-weight: bolder;
  }
  
  @font-face {
      font-family: 'Montserrat';
      src: url(../fonts/montserrat/Montserrat-Light.ttf);
      font-weight: lighter;
  }
  
  /* OpenSans*/
  @font-face {
      font-family: 'OpenSans';
      src: url(../fonts/opensans/OpenSans-Regular.ttf);
      font-weight: normal;
  }
  
  @font-face {
      font-family: 'OpenSans';
      src: url(../fonts/opensans/OpenSans-Bold.ttf);
      font-weight: bold;
  }
  
  @font-face {
      font-family: 'OpenSans';
      src: url(../fonts/opensans/OpenSans-Light.ttf);
      font-weight: lighter;
  }
  
  
  body {
      font-family: var(--base-font1);
  }
  .main-navigation {
    display: block;
  }
  
  .main-navigation li {
    list-style-type: none;
  }
  
  .main-navigation a {
    text-decoration: none;
    text-transform:  uppercase;
    padding: 5px;
    font-weight: bold;
    color: black;
  }
  
  .main-navigation a:hover {
    color:red;
  }
  
   h1 {
    text-transform: uppercase;
    font-family: var(--base-font1);
    /*font-size: 2vw;*/
  }
  
  h2, h3, h4, p,
  footer {
    /*font-size: 1vw;*/
    font-weight: lighter;
    font-family: var(--base-font2);
  }